Welcome to MotionBuilder 2027. These release notes describe known limitations, issues, and fixes included in this release. To learn about the new features and updated workflows, see What's New in MotionBuilder 2027 and What's New in MotionBuilder 2027 SDK.

For complete MotionBuilder configuration, licensing and deployment options, see MotionBuilder Installation.

What's Fixed

Actor
Resolved a crash caused by drag and drop of selected branches MOBU-12501

Cameras
Restored FBGetSelectedModels returning the Camera Switcher MOBU-12514

Character
Addressed a crash when merging a character mesh MOBU-12489

FCurves
Fixed an FBFilter.Apply crash when applied on an empty animation layer MOBU-12435
Corrected rotation value offset during plot with YXZ order at time discontinuity MOBU-12433
Resolved FCurve Editor keys snapping back when dragged beyond bounds MOBU-12432
Fixed FBFilter.Apply ignoring the current animation layer MOBU-12431

File I/O
Improved performance when merging a scene with two instances opened MOBU-12511
Corrected the Strict File Conformity Checks dialog appearing when opening an FBX file with the option turned off MOBU-12491
Resolved the inability to change Take Start/End time when importing an FBX Motion File MOBU-12370

General
Resolved incorrect scaling of Animation Layer icons with the UI MOBU-12525
Corrected floating windows turning white after restoring the application MOBU-12516
Repaired broken pinning of Presets menu items MOBU-12488
Fixed the undo manager when the undo level exceeded MAX_INT MOBU-12485
Resolved a crash on startup when the layout had no Viewer pane MOBU-12556
Fixed a crash when deleting multiple markers after importing C3D optical MOBU-12558

Namespaces
Fixed a crash when opening a file with a custom namespace ending with a colon MOBU-12560
Corrected pose application when a scene is imported with a namespace MOBU-12513

Properties
Corrected duplicating Takes and Story Clips so custom properties are copied MOBU-12440
Restored correct display of reference properties after a rename operation MOBU-12371

Schematic
Fixed node arrangement resetting when adding a viewer MOBU-12519
Resolved the Object name label extending beyond pane boundaries MOBU-12382

SDK
Resolved the OpenRealitySDK manip_association sample crash when closing manipulator association MOBU-12557
Corrected setting plotting options again overriding UI plotting options MOBU-12510
Fixed a crash when assigning None to FBCamera.ForeGroundTexture MOBU-12492

Story
Fixed a crash when setting track recording options with a HUD attached MOBU-12555
Resolved a crash when inserting a camera clip with animated Focal Length MOBU-12500

Textures
Fixed setting the FBVideoClip.Filename property so it updates the Path property MOBU-12383

USD
Addressed a USD renderer crash with certain curve shapes MOBU-12559

Viewer
Addressed an FPS regression in MotionBuilder idle and playback MOBU-12515